Home / 53,113.78-79,621.46-18,028.84

Finding the Fourth Proportional to 53,113.78, 79,621.46 and 18,028.84

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Solution

The fourth proportional to 53,113.78, 79,621.46 and 18,028.84 is: 27,026.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,113.78 : 79,621.46 = 18,028.84 : x
  2. Step 2: Convert to fraction form
    53,113.78/79,621.46 = 18,028.84/x
  3. Step 3: Cross multiply
    53,113.78x = 79,621.46 × 18,028.84
  4. Step 4: Simplify right side
    53,113.78x = 1,435,482,164.80
  5. Step 5: Solve for x
    x = 1,435,482,164.80/53,113.78
  6. Step 6: Final answer
    x = 27,026.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.